Alert archive / Iowa / Wind Advisories in 2012

Wind Advisory 6, NWS Sioux Falls, SD

February 28, 20124 states

NWS Sioux Falls, SD issued this wind advisory at Feb 28, 2012, 2:30 PM CST for 4 states. It took effect at Feb 29, 2012, 4:00 AM CST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Feb 28, 2012, 2:30 PM CST (20:30 UTC)
In effect from
Feb 29, 2012, 4:00 AM CST
Expired
Feb 29, 2012, 6:00 PM CST
In force
14 hr
Issued by
NWS Sioux Falls, SD
All 26 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Jackson County, MN, Nobles County, MN, Rock County, MN, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Clay County, SD, Hanson County, SD, Hutchinson County, SD, Lincoln County, SD, McCook County, SD, Minnehaha County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 60 km from the middle of the area, began a volume at 20:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.5 hours before the alert went out and 200 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2012-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2012-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 441 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1601 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
441 m²/s²
0-3 km storm-relative helicity
433 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

445 
WWUS73 KFSD 282030
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
230 PM CST TUE FEB 28 2012

.A VERY STRONG LOW PRESSURE WILL PASS THROUGH THE AREA
OVERNIGHT...SWINGING WINDS AROUND TO THE SOUTHWEST AND WEST...THEN
NORTHWEST BY WEDNESDAY AFTERNOON. HIGH PRESSURE WILL BUILD SOUTH
EARLY WEDNESDAY EVENING WHICH WILL ALLOW WINDS TO DECREASE AROUND
SUNSET. 

IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-
SDZ061-062-066>071-290430-
/O.NEW.KFSD.WI.Y.0006.120229T1000Z-120301T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-NOBLES-JACKSON-ROCK-DIXON-DAKOTA-MCCOOK-
MINNEHAHA-TURNER-LINCOLN-BON HOMME-YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
230 PM CST TUE FEB 28 2012

...WIND ADVISORY IN EFFECT FROM 4 AM TO 6 PM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 6 PM CST WEDNESDAY. 

* TIMING...WEST WINDS WILL INCREASE QUICKLY LATE TONIGHT AND
  CONTINUE THROUGH WEDNESDAY AFTERNOON.

* WEATHER CONDITIONS...WEST WINDS OF 30 TO 40 MPH ARE EXPECTED
  WITH A FEW GUSTS AROUND 45 MPH ALONG THE MISSOURI RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$
4 follow-up statements
762 
WWUS73 KFSD 290243
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
843 PM CST TUE FEB 28 2012

.A VERY STRONG LOW PRESSURE WILL PASS THROUGH THE AREA
OVERNIGHT...SWINGING WINDS AROUND TO THE SOUTHWEST AND WEST...
THEN NORTHWEST BY WEDNESDAY AFTERNOON. HIGH PRESSURE WILL BUILD
SOUTH EARLY WEDNESDAY EVENING WHICH WILL ALLOW WINDS TO DECREASE
AROUND SUNSET.

IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-
SDZ061-062-066>071-291045-
/O.CON.KFSD.WI.Y.0006.120229T1000Z-120301T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-NOBLES-JACKSON-ROCK-DIXON-DAKOTA-MCCOOK-
MINNEHAHA-TURNER-LINCOLN-BON HOMME-YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
843 PM CST TUE FEB 28 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 6 PM CST
WEDNESDAY...

* TIMING...WEST WINDS WILL INCREASE QUICKLY LATE TONIGHT AND 
  CONTINUE THROUGH WEDNESDAY AFTERNOON. 

* WEATHER CONDITIONS...WEST WINDS OF 30 TO 40 MPH ARE EXPECTED 
  WITH A FEW GUSTS AROUND 45 MPH ALONG THE MISSOURI RIVER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$
203 
WWUS73 KFSD 290910
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
310 AM CST WED FEB 29 2012

.A STRONG AREA OF LOW PRESSURE IN FAR SOUTHEAST SOUTH DAKOTA EARLY
THIS MORNING WILL MOVE NORTHEAST INTO NORTHERN WISCONSIN BY THIS
EVENING. NORTHWEST WINDS WIND INCREASE TO 30 TO 40 MPH AS THE SYSTEM
MOVES EAST THIS MORNING...WITH HIGHER GUSTS POSSIBLE...ESPECIALLY
THROUGH THE MISSOURI RIVER VALLEY. HIGH PRESSURE WILL BUILD SOUTH
EARLY WEDNESDAY EVENING WHICH WILL ALLOW WINDS TO DECREASE AROUND
SUNSET.

SDZ060-065-291715-
/O.EXA.KFSD.WI.Y.0006.120229T1000Z-120301T0000Z/
HANSON-HUTCHINSON-
INCLUDING THE CITIES OF...ALEXANDRIA...EMERY...PARKSTON...
FREEMAN...MENNO...TRIPP
310 AM CST WED FEB 29 2012

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

* TIMING...NORTHWEST WINDS WILL INCREASE QUICKLY THROUGH THE EARLY
  MORNING HOURS AND CONTINUE THROUGH WEDNESDAY AFTERNOON.

* WEATHER CONDITIONS...NORTHWEST WINDS OF 25 TO 40 MPH ARE EXPECTED.
  THE STRONG WINDS WILL PRODUCE SOME AREAS OF BLOWING AND DRIFTING
  SNOW AS LIGHT SNOW MOVES ACROSS THE AREA THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-
SDZ061-062-066>071-291715-
/O.CON.KFSD.WI.Y.0006.120229T1000Z-120301T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-NOBLES-JACKSON-ROCK-DIXON-DAKOTA-MCCOOK-
MINNEHAHA-TURNER-LINCOLN-BON HOMME-YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
310 AM CST WED FEB 29 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* TIMING...WEST WINDS WILL INCREASE QUICKLY LATE TONIGHT AND 
  CONTINUE THROUGH WEDNESDAY AFTERNOON. 

* WEATHER CONDITIONS...WINDS WILL BECOME WEST-NORTHWEST AND INCREASE
  TO 30 TO 40 MPH THROUGH THE MORNING...WITH GUSTS AROUND 45 MPH
  LIKELY THROUGH THE MISSOURI RIVER VALLEY. THE STRONG WINDS MAY
  PRODUCE AREAS OF BLOWING AND DRIFTING SNOW THIS MORNING...AS AN
  AREA OF LIGHT SNOW MOVES ACROSS THE REGION. THIS IS MOST LIKELY
  NORTHWEST OF A LINE FROM YANKTON SOUTH DAKOTA TO JACKSON MINNESOTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$
483 
WWUS73 KFSD 291728
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1128 AM CST WED FEB 29 2012

.A STRONG AREA OF LOW PRESSURE IN SOUTHWEST MINNESOTA WILL MOVE
NORTHEAST INTO NORTHERN WISCONSIN BY THIS EVENING. NORTHWEST WINDS
OF 30 TO 40 MPH ARE EXPECTED...WITH HIGHER GUSTS POSSIBLE...
ESPECIALLY THROUGH THE MISSOURI RIVER VALLEY. HIGH PRESSURE WILL
BUILD SOUTH EARLY WEDNESDAY EVENING WHICH WILL ALLOW WINDS TO
DECREASE AROUND SUNSET.

IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-
SDZ060>062-065>071-010000-
/O.CON.KFSD.WI.Y.0006.000000T0000Z-120301T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-NOBLES-JACKSON-ROCK-DIXON-DAKOTA-HANSON-
MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-
UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...
MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1128 AM CST WED FEB 29 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* TIMING...WEST TO NORTHWEST WINDS WILL DECREASE BELOW WIND
  ADVISORY CRITERIA RIGHT AROUND SUNSET.

* WEATHER CONDITIONS...WEST TO NORTHWEST WINDS OF 30 TO 40 MPH
  WILL CONTINUE THROUGH THE AFTERNOON...WITH GUSTS AROUND 45 MPH
  LIKELY THROUGH THE MISSOURI RIVER VALLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$
161 
WWUS73 KFSD 292356
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
556 PM CST WED FEB 29 2012


IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-
SDZ060>062-065>071-010100-
/O.EXP.KFSD.WI.Y.0006.000000T0000Z-120301T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-NOBLES-JACKSON-ROCK-DIXON-DAKOTA-HANSON-
MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-
UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...
MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
556 PM CST WED FEB 29 2012

...WIND ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...

WINDS HAVE DROPPED BELOW ADVISORY LEVEL AND WILL CONTINUE TO DIMINISH
ACROSS THE REGION THIS EVENING. WINDS WILL DROP BELOW 10 MPH BY
MIDNIGHT.

$$

Nearby

Wind Advisories in Iowa, 2012Wind Advisories in South Dakota, 2012Wind Advisories in Minnesota, 2012Every wind advisory in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.